Sidney, MT Radon Levels

Q: What is the average radon level in Sidney, MT?

Based on 3 user-submitted tests, the average radon level is 7.30 pCi/L.

Q: What EPA Radon Zone is Sidney in?

Sidney is in Richland County, EPA Zone 1.

Q: How much does radon mitigation cost in Sidney?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Check local Sidney radon levels and find certified testing and mitigation professionals to keep your home safe

Sidney, MT Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Richland County, MT

Zip Code 59270

Avg. User Level 7.30 pCi/L

User Tests 3

Sidney in Richland County has recorded an average radon level of 7.33 pCi/L, significantly exceeding the EPA action threshold of 4.0 pCi/L. Located in eastern Montana's oil country, the community sits on sedimentary formations that contribute to elevated radon potential throughout the region. With recent testing in zip code 59270 showing consistently high readings between 7.0 and 8.0 pCi/L, most homes will likely require radon mitigation systems.

7.30

pCi/L average

Above EPA Action Level

Based on 3 user-submitted radon tests for homes in Sidney, MT. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Sidney, MT Radon Mitigation

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Sidney, MT Radon Levels

User-submitted radon test readings from homes in the Sidney area.

Radon Level	City	Home Age	Foundation
8 pCi/L	Sidney, MT	51-99 Years	Full Basement
7 pCi/L	Sidney, MT	21-50 Years	Full Basement

Have a radon test result for Sidney? Submit your reading to help other homeowners.

Radon FAQ for Sidney, MT

What is the average radon level in Sidney, MT?

Based on 3 user-submitted tests, the average radon level in Sidney is 7.30 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Sidney in?

Sidney and the 59270 zip code are in Richland County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

How much does radon mitigation cost in Sidney?

Radon mitigation in Sidney typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.

Should I test for radon if I'm buying a home in Sidney?

Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.

Most Active Radon Markets in Montana

Cities in Montana with the most user-submitted radon test data, ranked by number of submissions.

City	Avg User Radon Level	Submissions
Butte	10.20 pCi/L	10
Missoula	6.25 pCi/L	8
Florence	11.67 pCi/L	3
Bozeman	10.33 pCi/L	3
Helena	8.67 pCi/L	3
Stevensville	7.67 pCi/L	3
Sidney	7.33 pCi/L	3
Billings	5.33 pCi/L	3
Miles City	3.33 pCi/L	3
Kalispell	7.50 pCi/L	2

Sidney, MT Radon Levels

Check local Sidney radon levels and find certified testing and mitigation professionals to keep your home safe

Sidney, MT Radon Facts

Sidney, MT Radon Mitigation

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Sidney, MT Radon Levels

Radon FAQ for Sidney, MT

Most Active Radon Markets in Montana

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